Finding the Third Proportional to 34,336 and 72,560

Step by Step Solution

1. Step 1: Write the proportion equation
   34,336 : 72,560 = 72,560 : x
2. Step 2: Convert to fraction form
   34,336/72,560 = 72,560/x
3. Step 3: Cross multiply
   34,336x = 72,560 × 72,560
4. Step 4: Simplify right side
   34,336x = 5,264,953,600
5. Step 5: Solve for x
   x = 5,264,953,600/34,336
6. Step 6: Final answer
   x = 153,336.25